Illinois

Jo Daviess

22,035
2020 population
1830
first census record
20
census records

About Jo Daviess

Jo Daviess, Illinois, first appears in the United States federal census in 1830, when it recorded a population of 2,111. At the most recent census, in 2020, its population stood at 22,035.

Its recorded population peaked at 27,820 in 1870, and has since declined by roughly 21 percent.

On the ground today, 12 documented military engagements have been recorded within the county, among them Apple River Fort – Northwest Illinois, Battle of Apple River Fort (Black Hawk War), Skirmish at Galena, Illinois, and 19 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202022,035
201022,678
200022,289
199021,821
198023,520
197021,766
196021,821
195021,459
194019,989
193020,235
192021,917
191022,657
190024,533
189025,101
188027,528
187027,820
186027,325
185018,604
18406,180
18302,111
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Jo Daviess

Military engagements that took place in Jo Daviess, Illinois.

Apple River Fort – Northwest Illinois
1150
Battle of Apple River Fort (Black Hawk War)
1832
Skirmish at Galena, Illinois
1832
Battle of Apple River Fort (Black Hawk War 1832)
1832
Attack on Sinsinawa Mound
1832
Apple River Fort Second Attack (June 24, 1832)
1832
Plum Creek Skirmish / Hall Sisters Capture
1832
Apple River Fort Defense
1832
Apple River Fort Skirmish (June 1832)
1832
Apple River Fort Attack
1832
Battle of Apple River Fort
1832
Battle of Apple River Fort Jun 24 1832
1832

Historic places in Jo Daviess

National Register of Historic Places listings in Jo Daviess, Illinois.

Millville Town Site
Apple River
Galena Historic District (Boundary Increase and Decrease)
Galena
Washburne, Elihu Benjamin, House
Galena
Miller, Henry W., House
Galena
Frentess, Henry N., Farmstead
East Dubuque
Chicago Great Western Railroad Depot
Elizabeth
White, W.E., Building
Stockton
Scales Mound Historic District
Scales Mound
Chapman, John, Village Site
Hanover
Galena Historic District
Galena
Warren Commercial Historic District
Warren
Apple River Fort Site
Elizabeth
Old Stone Hotel
Warren
East Dubuque School
East Dubuque
Townsend House
Stockton
Grant, Ulysses S., House
Galena
Old Market House
Galena
Browse all Illinoishistoric sites ›

Other counties in Illinois

Explore census history and historic records for more Illinois counties.

PeoriaPerryPiattPikePopePulaskiPutnamRandolphRichlandRock IslandSalineSangamonSchuylerScottShelbySt. ClairStarkStephensonTazewellUnion
Unlimited access

Everything a full report reveals about Jo Daviess County, Illinois

This page charts the census history of Jo Daviess County, Illinois. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
First month just $5.99, then $11.99 a month. Unlimited locations, cancel anytime.

Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.

Start your Jo Daviess County, Illinois report
Or see a real report first

Explore Illinois records

Illinoishistory ›NRHP historic sites ›Notable people from Illinois›

Frequently asked about Jo Daviess

When does Jo Daviess first appear in the US census?
Jo Daviess, Illinois first appears in the federal census in 1830, with a recorded population of 2,111.
What is the population of Jo Daviess?
At the most recent federal census (2020), Jo Daviess had a recorded population of 22,035.
When did Jo Daviess's population peak?
Jo Daviess's recorded population peaked at 27,820 in 1870.
Were any battles fought in Jo Daviess?
12 documented military engagements took place in Jo Daviess, including Apple River Fort – Northwest Illinois, Battle of Apple River Fort (Black Hawk War), Skirmish at Galena, Illinois.
How many historic places are in Jo Daviess?
19 sites are listed on the National Register of Historic Places in Jo Daviess, Illinois.
Aubrey Research

Research the history of any US location

Aubrey searches federal archives, archaeological records, historic registers, and primary sources to build a full historical report for any address or place in the United States.

Research your locationView a free sample report